diff --git a/raussendorf.py b/raussendorf.py
index 861b886..8fafb9d 100644
--- a/raussendorf.py
+++ b/raussendorf.py
@@ -1,4 +1,4 @@
-from abp import GraphState, VizClient
+from abp import GraphState
 from abp.util import xyz
 import numpy as np
 import time